Search a number
-
+
86885 = 517377
BaseRepresentation
bin10101001101100101
311102011222
4111031211
510240020
61510125
7511211
oct251545
9142158
1086885
115a307
1242345
1330716
1423941
151ab25
hex15365

86885 has 4 divisors (see below), whose sum is σ = 104268. Its totient is φ = 69504.

The previous prime is 86869. The next prime is 86923. The reversal of 86885 is 58868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 70756 = 127^2 + 266^2 .

It is a cyclic number.

It is not a de Polignac number, because 86885 - 24 = 86869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86885.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8684 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (26067).

286885 is an apocalyptic number.

It is an amenable number.

86885 is a deficient number, since it is larger than the sum of its proper divisors (17383).

86885 is a wasteful number, since it uses less digits than its factorization.

86885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17382.

The product of its digits is 15360, while the sum is 35.

The square root of 86885 is about 294.7626163542. The cubic root of 86885 is about 44.2909438351.

The spelling of 86885 in words is "eighty-six thousand, eight hundred eighty-five".

Divisors: 1 5 17377 86885